1,1-Dichloroethylene
Hammond Water Works Department
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-10-08 | 327188RV-1404 | ND |
2015-10-06 | 350518RV-1504 | ND |
2016-10-18 | 375237RV-1604 | ND |
2017-10-30 | 401607RV-1704 | ND |
2018-10-10 | 433295RV-1804 | ND |
2019-05-07 | 43962001RV-1902 | ND |
2019-10-08 | 467749RV-1904 | ND |